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Coronary heart disease - Overview

Alternative Names

Coronary artery disease; Arteriosclerotic heart disease; CHD; CAD

Definition of Coronary heart disease:

Coronary heart disease (CHD) is a narrowing of the small blood vessels that supply blood and oxygen to the heart. CHD is also called coronary artery disease.

See also:

Click here to see a video about chest pain.

Causes, incidence, and risk factors:

Coronary heart disease (CHD) is the leading cause of death in the United States for men and women.

Coronary heart disease is caused by the buildup of plaque in the arteries to your heart. This may also be called hardening of the arteries.

  • Fatty material and other substances form a plaque build-up on the walls of your coronary arteries. The coronary arteries bring blood and oxygen to your heart.
  • This buildup causes the arteries to get narrow.
  • As a result, blood flow to the heart can slow down or stop.

Coronary artery disease

A risk factor for heart disease is something that increases your chance of getting it. You cannot change some risk factors for heart disease, but others you can change.

The risk factors for heart disease that you CANNOT change are:

  • Your age. The risk of heart disease increases with age.
  • Your gender. Men have a higher risk of getting heart disease than women who are still getting their menstrual period. After menopause, the risk for women is closer to the risk for men. See: Heart disease and women
  • Your genes. If your parents or other close relatives had heart disease, you are at higher risk.
  • Your race. African Americans, Mexican Americans, American Indians, Hawaiians, and some Asian Americans also have a higher risk for heart problems.

Many things increase your risk for heart disease:

  • Diabetes is a strong risk factor for heart disease.
  • High blood pressure increases your risks of heart disease and heart failure.
  • Extra cholesterol in your blood builds up inside the walls of your heart's arteries (blood vessels).
  • Smokers have a much higher risk of heart disease.
  • Chronic kidney disease can increase your risk.
  • People with narrowed arteries in another part of the body (examples are stroke and poor blood flow to the legs) are more likely to have heart disease.
  • Substance abuse (such as cocaine)
  • Being overweight
  • Not getting enough exercise, and feeling depressed or having excess stress are other risk factors.
  • Reviewed last on: 5/23/2011
  • Michael A. Chen, MD, PhD, Assistant Professor of Medicine, Division of Cardiology, Harborview Medical Center, University of Washington Medical School, Seattle, Washington. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

References

Mosca L, Benjamin EJ, Berra K, Bezanson JL, Dolor RJ, Lloyd-Jones DM, et al. Effectiveness-Based Guidelines for the Prevention of Cardiovascular Disease in Women--2011 Update: a guideline from the American Heart Association. Circulation. 2011;123(11);1243-1262.

Gaziano JM, Ridker PM, Libby P. Primary and secondary prevention of coronary heart disease. In: Bonow RO, Mann DL, Zipes DP, Libby P, eds. Braunwald's Heart Disease: A Textbook of Cardiovascular Medicine. 9th ed. Philadelphia, Pa: Saunders Elsevier;2011: chap 49.

Greenland P, Alpert JS, Beller GA, Benjamin EJ, Budoff MJ, Fayad ZA, et al. 2010 ACCF/AHA guideline for assessment of cardiovascular risk in asymptomatic adults: a report of the American College of Cardiology Foundation/American Heart Association Task Force on Practice Guidelines. Circulation. 2010;122(25)e584-e636.

U.S. Preventive Services Task Force. Aspirin for the prevention of cardiovascular disease: U.S. Preventive Services Task Force recommendation statement. Ann Intern Med. 2009;150:396-404.

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